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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<diagram program="umlet" version="15.0.0">
<zoom_level>10</zoom_level>
<element>
<id>UMLClass</id>
<coordinates>
<x>80</x>
<y>370</y>
<w>340</w>
<h>190</h>
</coordinates>
<panel_attributes>ThreadInfo
--
-mName: nsCString
-mRegisterTime: TimeStamp
-mThreadId: int
-mIsMainThread: bool
--
NS_INLINE_DECL_THREADSAFE_REFCOUNTING
+Name()
+RegisterTime()
+ThreadId()
+IsMainThread()
</panel_attributes>
<additional_attributes/>
</element>
<element>
<id>UMLClass</id>
<coordinates>
<x>470</x>
<y>300</y>
<w>600</w>
<h>260</h>
</coordinates>
<panel_attributes>RacyRegisteredThread
--
-mProfilingStackOwner: NotNull&lt;RefPtr&lt;ProfilingStackOwner&gt;&gt;
-mThreadId
-mSleep: Atomic&lt;int&gt; /* AWAKE, SLEEPING_NOT_OBSERVED, SLEEPING_OBSERVED */
-mIsBeingProfiled: Atomic&lt;bool, Relaxed&gt;
--
+SetIsBeingProfiled()
+IsBeingProfiled()
+ReinitializeOnResume()
+CanDuplicateLastSampleDueToSleep()
+SetSleeping()
+SetAwake()
+IsSleeping()
+ThreadId()
+ProfilingStack()
+ProfilingStackOwner()</panel_attributes>
<additional_attributes/>
</element>
<element>
<id>UMLClass</id>
<coordinates>
<x>470</x>
<y>650</y>
<w>350</w>
<h>360</h>
</coordinates>
<panel_attributes>RegisteredThread
--
-mPlatformData: UniquePlatformData
-mStackTop: const void*
-mThread: nsCOMPtr&lt;nsIThread&gt;
-mContext: JSContext*
-mJSSampling: enum {INACTIVE, ACTIVE_REQUESTED, ACTIVE, INACTIVE_REQUESTED}
-mmJSFlags: uint32_t
--
+RacyRegisteredThread()
+GetPlatformData()
+StackTop()
+GetRunningEventDelay()
+SizeOfIncludingThis()
+SetJSContext()
+ClearJSContext()
+GetJSContext()
+Info(): RefPtr&lt;ThreadInfo&gt;
+GetEventTarget(): nsCOMPtr&lt;nsIEventTarget&gt;
+ResetMainThread(nsIThread*)
+StartJSSampling()
+StopJSSampling()
+PollJSSampling()
</panel_attributes>
<additional_attributes/>
</element>
<element>
<id>Relation</id>
<coordinates>
<x>750</x>
<y>550</y>
<w>180</w>
<h>120</h>
</coordinates>
<panel_attributes>lt=&lt;&lt;&lt;&lt;&lt;-
mRacyRegisteredThread</panel_attributes>
<additional_attributes>10.0;100.0;10.0;10.0</additional_attributes>
</element>
<element>
<id>Relation</id>
<coordinates>
<x>290</x>
<y>550</y>
<w>230</w>
<h>120</h>
</coordinates>
<panel_attributes>lt=&lt;&lt;&lt;&lt;-
mThreadInfo: RefPtr&lt;&gt;</panel_attributes>
<additional_attributes>210.0;100.0;10.0;10.0</additional_attributes>
</element>
<element>
<id>UMLClass</id>
<coordinates>
<x>70</x>
<y>660</y>
<w>340</w>
<h>190</h>
</coordinates>
<panel_attributes>PageInformation
--
-mBrowsingContextID: uint64_t
-mInnerWindowID: uint64_t
-mUrl: nsCString
-mEmbedderInnerWindowID: uint64_t
--
NS_INLINE_DECL_THREADSAFE_REFCOUNTING
+SizeOfIncludingThis(MallocSizeOf)
+Equals(PageInformation*)
+StreamJSON(SpliceableJSONWriter&amp;)
+InnerWindowID()
+BrowsingContextID()
+Url()
+EmbedderInnerWindowID()
+BufferPositionWhenUnregistered(): Maybe&lt;uint64_t&gt;
+NotifyUnregistered(aBufferPosition: uint64_t)</panel_attributes>
<additional_attributes/>
</element>
<element>
<id>UMLClass</id>
<coordinates>
<x>760</x>
<y>1890</y>
<w>570</w>
<h>120</h>
</coordinates>
<panel_attributes>ProfilerBacktrace
--
-mName: UniqueFreePtr&lt;char&gt;
-mThreadId: int
-mProfileChunkedBuffer: UniquePtr&lt;ProfileChunkedBuffer&gt;
-mProfileBuffer: UniquePtr&lt;ProfileBuffer&gt;
--
+StreamJSON(SpliceableJSONWriter&amp;, aProcessStartTime: TimeStamp, UniqueStacks&amp;)
</panel_attributes>
<additional_attributes/>
</element>
<element>
<id>UMLClass</id>
<coordinates>
<x>20</x>
<y>2140</y>
<w>620</w>
<h>580</h>
</coordinates>
<panel_attributes>ProfileChunkedBuffer
--
-mMutex: BaseProfilerMaybeMutex
-mChunkManager: ProfileBufferChunkManager*
-mOwnedChunkManager: UniquePtr&lt;ProfileBufferChunkManager&gt;
-mCurrentChunk: UniquePtr&lt;ProfileBufferChunk&gt;
-mNextChunks: UniquePtr&lt;ProfileBufferChunk&gt;
-mRequestedChunkHolder: RefPtr&lt;RequestedChunkRefCountedHolder&gt;
-mNextChunkRangeStart: ProfileBufferIndex
-mRangeStart: Atomic&lt;ProfileBufferIndex, ReleaseAcquire&gt;
-mRangeEnd: ProfileBufferIndex
-mPushedBlockCount: uint64_t
-mClearedBlockCount: Atomic&lt;uint64_t, ReleaseAcquire&gt;
--
+Byte = ProfileBufferChunk::Byte
+Length = ProfileBufferChunk::Length
+IsThreadSafe()
+IsInSession()
+ResetChunkManager()
+SetChunkManager()
+Clear()
+BufferLength(): Maybe&lt;size_t&gt;
+SizeOfExcludingThis(MallocSizeOf)
+SizeOfIncludingThis(MallocSizeOf)
+GetState()
+IsThreadSafeAndLockedOnCurrentThread(): bool
+LockAndRun(Callback&amp;&amp;)
+ReserveAndPut(CallbackEntryBytes&amp;&amp;, Callback&lt;auto(Maybe&lt;ProfileBufferEntryWriter&gt;&amp;)&gt;&amp;&amp;)
+Put(aEntryBytes: Length, Callback&lt;auto(Maybe&lt;ProfileBufferEntryWriter&gt;&amp;)&gt;&amp;&amp;)
+PutFrom(const void*, Length)
+PutObjects(const Ts&amp;...)
+PutObject(const T&amp;)
+GetAllChunks()
+Read(Callback&lt;void(Reader&amp;)&gt;&amp;&amp;): bool
+ReadEach(Callback&lt;void(ProfileBufferEntryReader&amp; [, ProfileBufferBlockIndex])&gt;&amp;&amp;)
+ReadAt(ProfileBufferBlockIndex, Callback&lt;void(Maybe&lt;ProfileBufferEntryReader&gt;&amp;&amp;)&gt;&amp;&amp;)
+AppendContents</panel_attributes>
<additional_attributes/>
</element>
<element>
<id>UMLClass</id>
<coordinates>
<x>810</x>
<y>2100</y>
<w>500</w>
<h>620</h>
</coordinates>
<panel_attributes>ProfileBufferChunk
--
+Header: {
mOffsetFirstBlock; mOffsetPastLastBlock; mDoneTimeStamp;
mBufferBytes; mBlockCount; mRangeStart; mProcessId;
}
-InternalHeader: { mHeader: Header; mNext: UniquePtr&lt;ProfileBufferChunk&gt;; }
--
-mInternalHeader: InternalHeader
-mBuffer: Byte /* First byte */
--
+Byte = uint8_t
+Length = uint32_t
+SpanOfBytes = Span&lt;Byte&gt;
/+Create(aMinBufferBytes: Length): UniquePtr&lt;ProfileBufferChunk&gt;/
+ReserveInitialBlockAsTail(Length): SpanOfBytes
+ReserveBlock(Length): { SpanOfBytes, ProfileBufferBlockIndex }
+MarkDone()
+MarkRecycled()
+ChunkHeader()
+BufferBytes()
+ChunkBytes()
+SizeOfExcludingThis(MallocSizeOf)
+SizeOfIncludingThis(MallocSizeOf)
+RemainingBytes(): Length
+OffsetFirstBlock(): Length
+OffsetPastLastBlock(): Length
+BlockCount(): Length
+ProcessId(): int
+SetProcessId(int)
+RangeStart(): ProfileBufferIndex
+SetRangeStart(ProfileBufferIndex)
+BufferSpan(): Span&lt;const Byte&gt;
+ByteAt(aOffset: Length)
+GetNext(): maybe-const ProfileBufferChunk*
+ReleaseNext(): UniquePtr&lt;ProfileBufferChunk&gt;
+InsertNext(UniquePtr&lt;ProfileBufferChunk&gt;&amp;&amp;)
+Last(): const ProfileBufferChunk*
+SetLast(UniquePtr&lt;ProfileBufferChunk&gt;&amp;&amp;)
/+Join(UniquePtr&lt;ProfileBufferChunk&gt;&amp;&amp;, UniquePtr&lt;ProfileBufferChunk&gt;&amp;&amp;)/
</panel_attributes>
<additional_attributes/>
</element>
<element>
<id>UMLClass</id>
<coordinates>
<x>120</x>
<y>2850</y>
<w>570</w>
<h>350</h>
</coordinates>
<panel_attributes>ProfileBufferEntryReader
--
-mCurrentSpan: SpanOfConstBytes
-mNextSpanOrEmpty: SpanOfConstBytes
-mCurrentBlockIndex: ProfileBufferBlockIndex
-mNextBlockIndex: ProfileBufferBlockIndex
--
+RemainingBytes(): Length
+SetRemainingBytes(Length)
+CurrentBlockIndex(): ProfileBufferBlockIndex
+NextBlockIndex(): ProfileBufferBlockIndex
+EmptyIteratorAtOffset(Length): ProfileBufferEntryReader
+operator*(): const Byte&amp;
+operator++(): ProfileBufferEntryReader&amp;
+operator+=(Length): ProfileBufferEntryReader&amp;
+operator==(const ProfileBufferEntryReader&amp;)
+operator!=(const ProfileBufferEntryReader&amp;)
+ReadULEB128&lt;T&gt;(): T
+ReadBytes(void*, Length)
+ReadIntoObject(T&amp;)
+ReadIntoObjects(Ts&amp;...)
+ReadObject&lt;T&gt;(): T</panel_attributes>
<additional_attributes/>
</element>
<element>
<id>UMLClass</id>
<coordinates>
<x>740</x>
<y>2850</y>
<w>570</w>
<h>300</h>
</coordinates>
<panel_attributes>ProfileBufferEntryWriter
--
-mCurrentSpan: SpanOfBytes
-mNextSpanOrEmpty: SpanOfBytes
-mCurrentBlockIndex: ProfileBufferBlockIndex
-mNextBlockIndex: ProfileBufferBlockIndex
--
+RemainingBytes(): Length
+CurrentBlockIndex(): ProfileBufferBlockIndex
+NextBlockIndex(): ProfileBufferBlockIndex
+operator*(): Byte&amp;
+operator++(): ProfileBufferEntryReader&amp;
+operator+=(Length): ProfileBufferEntryReader&amp;
/+ULEB128Size(T): unsigned/
+WriteULEB128(T)
/+SumBytes(const Ts&amp;...): Length/
+WriteFromReader(ProfileBufferEntryReader&amp;, Length)
+WriteObject(const T&amp;)
+WriteObjects(const T&amp;)</panel_attributes>
<additional_attributes/>
</element>
<element>
<id>UMLClass</id>
<coordinates>
<x>120</x>
<y>3270</y>
<w>570</w>
<h>80</h>
</coordinates>
<panel_attributes>ProfileBufferEntryReader::Deserializer&lt;T&gt;
/to be specialized for all types read from ProfileBufferEntryReader/
--
/+ReadInto(ProfileBufferEntryReader&amp;, T&amp;)/
/+Read&lt;T&gt;(ProfileBufferEntryReader&amp;): T/</panel_attributes>
<additional_attributes/>
</element>
<element>
<id>UMLClass</id>
<coordinates>
<x>740</x>
<y>3270</y>
<w>570</w>
<h>80</h>
</coordinates>
<panel_attributes>ProfileBufferEntryWriter::Serializer&lt;T&gt;
/to be specialized for all types written into ProfileBufferEntryWriter/
--
/+Bytes(const T&amp;): Length/
/+Write(ProfileBufferEntryWriter&amp;, const T&amp;)/</panel_attributes>
<additional_attributes/>
</element>
<element>
<id>Relation</id>
<coordinates>
<x>330</x>
<y>2710</y>
<w>110</w>
<h>160</h>
</coordinates>
<panel_attributes>lt=.&gt;
&lt;&lt;creates&gt;&gt;</panel_attributes>
<additional_attributes>10.0;10.0;60.0;140.0</additional_attributes>
</element>
<element>
<id>Relation</id>
<coordinates>
<x>430</x>
<y>2710</y>
<w>360</w>
<h>160</h>
</coordinates>
<panel_attributes>lt=.&gt;
&lt;&lt;creates&gt;&gt;</panel_attributes>
<additional_attributes>10.0;10.0;340.0;140.0</additional_attributes>
</element>
<element>
<id>Relation</id>
<coordinates>
<x>660</x>
<y>2710</y>
<w>260</w>
<h>160</h>
</coordinates>
<panel_attributes>lt=.&gt;
&lt;&lt;points into&gt;&gt;</panel_attributes>
<additional_attributes>10.0;140.0;240.0;10.0</additional_attributes>
</element>
<element>
<id>Relation</id>
<coordinates>
<x>870</x>
<y>2710</y>
<w>140</w>
<h>160</h>
</coordinates>
<panel_attributes>lt=.&gt;
&lt;&lt;points into&gt;&gt;</panel_attributes>
<additional_attributes>10.0;140.0;80.0;10.0</additional_attributes>
</element>
<element>
<id>Relation</id>
<coordinates>
<x>630</x>
<y>2170</y>
<w>200</w>
<h>40</h>
</coordinates>
<panel_attributes>lt=&lt;&lt;&lt;&lt;-
mCurrentChunk</panel_attributes>
<additional_attributes>10.0;20.0;180.0;20.0</additional_attributes>
</element>
<element>
<id>Relation</id>
<coordinates>
<x>630</x>
<y>2230</y>
<w>200</w>
<h>40</h>
</coordinates>
<panel_attributes>lt=&lt;&lt;&lt;&lt;-
mNextChunks</panel_attributes>
<additional_attributes>10.0;20.0;180.0;20.0</additional_attributes>
</element>
<element>
<id>Relation</id>
<coordinates>
<x>1100</x>
<y>2030</y>
<w>170</w>
<h>90</h>
</coordinates>
<panel_attributes>lt=&lt;&lt;&lt;&lt;-
mInternalHeader.mNext</panel_attributes>
<additional_attributes>10.0;70.0;10.0;20.0;150.0;20.0;150.0;70.0</additional_attributes>
</element>
<element>
<id>Relation</id>
<coordinates>
<x>490</x>
<y>3190</y>
<w>70</w>
<h>100</h>
</coordinates>
<panel_attributes>lt=.&gt;
&lt;&lt;uses&gt;&gt;</panel_attributes>
<additional_attributes>10.0;10.0;10.0;80.0</additional_attributes>
</element>
<element>
<id>Relation</id>
<coordinates>
<x>580</x>
<y>3190</y>
<w>230</w>
<h>100</h>
</coordinates>
<panel_attributes>lt=.&gt;
&lt;&lt;uses&gt;&gt;</panel_attributes>
<additional_attributes>10.0;10.0;210.0;80.0</additional_attributes>
</element>
<element>
<id>UMLClass</id>
<coordinates>
<x>50</x>
<y>1620</y>
<w>570</w>
<h>410</h>
</coordinates>
<panel_attributes>ProfileBuffer
--
-mFirstSamplingTimeNs: double
-mLastSamplingTimeNs: double
-mIntervalNs, etc.: ProfilerStats
--
+IsThreadSafe(): bool
+AddEntry(const ProfileBufferEntry&amp;): uint64_t
+AddThreadIdEntry(int): uint64_t
+PutObjects(Kind, const Ts&amp;...): ProfileBufferBlockIndex
+CollectCodeLocation(...)
+AddJITInfoForRange(...)
+StreamSamplesToJSON(SpliceableJSONWriter&amp;, aThreadId: int, aSinceTime: double, UniqueStacks&amp;)
+StreamMarkersToJSON(SpliceableJSONWriter&amp;, ...)
+StreamPausedRangesToJSON(SpliceableJSONWriter&amp;, aSinceTime: double)
+StreamProfilerOverheadToJSON(SpliceableJSONWriter&amp;, ...)
+StreamCountersToJSON(SpliceableJSONWriter&amp;, ...)
+DuplicateLsstSample
+DiscardSamplesBeforeTime(aTime: double)
+GetEntry(aPosition: uint64_t): ProfileBufferEntry
+SizeOfExcludingThis(MallocSizeOf)
+SizeOfIncludingThis(MallocSizeOf)
+CollectOverheadStats(...)
+GetProfilerBufferInfo(): ProfilerBufferInfo
+BufferRangeStart(): uint64_t
+BufferRangeEnd(): uint64_t</panel_attributes>
<additional_attributes/>
</element>
<element>
<id>UMLClass</id>
<coordinates>
<x>690</x>
<y>1620</y>
<w>230</w>
<h>60</h>
</coordinates>
<panel_attributes>ProfileBufferEntry
--
+mKind: Kind
+mStorage: uint8_t[kNumChars=8]</panel_attributes>
<additional_attributes/>
</element>
<element>
<id>UMLClass</id>
<coordinates>
<x>930</x>
<y>1620</y>
<w>440</w>
<h>130</h>
</coordinates>
<panel_attributes>UniqueJSONStrings
--
-mStringTableWriter: SpliceableChunkedJSONWriter
-mStringHashToIndexMap: HashMap&lt;HashNumber, uint32_t&gt;
--
+SpliceStringTableElements(SpliceableJSONWriter&amp;)
+WriteProperty(JSONWriter&amp;, aName: const char*, aStr: const char*)
+WriteElement(JSONWriter&amp;, aStr: const char*)
+GetOrAddIndex(const char*): uint32_t</panel_attributes>
<additional_attributes/>
</element>
<element>
<id>UMLClass</id>
<coordinates>
<x>680</x>
<y>1760</y>
<w>470</w>
<h>110</h>
</coordinates>
<panel_attributes>UniqueStack
--
-mFrameTableWriter: SpliceableChunkedJSONWriter
-mFrameToIndexMap: HashMap&lt;FrameKey, uint32_t, FrameKeyHasher&gt;
-mStackTableWriter: SpliceableChunkedJSONWriter
-mStackToIndexMap: HashMap&lt;StackKey, uint32_t, StackKeyHasher&gt;
-mJITInfoRanges: Vector&lt;JITFrameInfoForBufferRange&gt;</panel_attributes>
<additional_attributes/>
</element>
<element>
<id>Relation</id>
<coordinates>
<x>320</x>
<y>2020</y>
<w>230</w>
<h>140</h>
</coordinates>
<panel_attributes>lt=&lt;&lt;&lt;&lt;-
mEntries: ProfileChunkedBuffer&amp;</panel_attributes>
<additional_attributes>10.0;10.0;10.0;120.0</additional_attributes>
</element>
<element>
<id>Relation</id>
<coordinates>
<x>610</x>
<y>1640</y>
<w>100</w>
<h>40</h>
</coordinates>
<panel_attributes>lt=.&gt;
&lt;&lt;uses&gt;&gt;</panel_attributes>
<additional_attributes>10.0;20.0;80.0;20.0</additional_attributes>
</element>
<element>
<id>Relation</id>
<coordinates>
<x>610</x>
<y>1710</y>
<w>340</w>
<h>40</h>
</coordinates>
<panel_attributes>lt=.&gt;
&lt;&lt;uses&gt;&gt;</panel_attributes>
<additional_attributes>10.0;20.0;320.0;20.0</additional_attributes>
</element>
<element>
<id>Relation</id>
<coordinates>
<x>610</x>
<y>1800</y>
<w>90</w>
<h>40</h>
</coordinates>
<panel_attributes>lt=.&gt;
&lt;&lt;uses&gt;&gt;</panel_attributes>
<additional_attributes>10.0;20.0;70.0;20.0</additional_attributes>
</element>
<element>
<id>Relation</id>
<coordinates>
<x>610</x>
<y>1900</y>
<w>170</w>
<h>40</h>
</coordinates>
<panel_attributes>lt=&lt;&lt;&lt;&lt;-
mProfileBuffer</panel_attributes>
<additional_attributes>150.0;20.0;10.0;20.0</additional_attributes>
</element>
<element>
<id>Relation</id>
<coordinates>
<x>590</x>
<y>1940</y>
<w>250</w>
<h>220</h>
</coordinates>
<panel_attributes>lt=&lt;&lt;&lt;&lt;-
mProfileChunkedBuffer</panel_attributes>
<additional_attributes>170.0;10.0;10.0;200.0</additional_attributes>
</element>
<element>
<id>UMLClass</id>
<coordinates>
<x>20</x>
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<w>490</w>
<h>550</h>
</coordinates>
<panel_attributes>CorePS
--
/-sInstance: CorePS*/
-mMainThreadId: int
-mProcessStartTime: TimeStamp
-mCoreBuffer: ProfileChunkedBuffer
-mRegisteredThreads: Vector&lt;UniquePtr&lt;RegisteredThread&gt;&gt;
-mRegisteredPages: Vector&lt;RefPtr&lt;PageInformation&gt;&gt;
-mCounters: Vector&lt;BaseProfilerCount*&gt;
-mLul: UniquePtr&lt;lul::LUL&gt; /* linux only */
-mProcessName: nsAutoCString
-mJsFrames: JsFrameBuffer
--
+Create
+Destroy
+Exists(): bool
+AddSizeOf(...)
+MainThreadId()
+ProcessStartTime()
+CoreBuffer()
+RegisteredThreads(PSLockRef)
+JsFrames(PSLockRef)
/+AppendRegisteredThread(PSLockRef, UniquePtr&lt;RegisteredThread&gt;)/
/+RemoveRegisteredThread(PSLockRef, RegisteredThread*)/
+RegisteredPages(PSLockRef)
/+AppendRegisteredPage(PSLockRef, RefPtr&lt;PageInformation&gt;)/
/+RemoveRegisteredPage(PSLockRef, aRegisteredInnerWindowID: uint64_t)/
/+ClearRegisteredPages(PSLockRef)/
+Counters(PSLockRef)
+AppendCounter
+RemoveCounter
+Lul(PSLockRef)
+SetLul(PSLockRef, UniquePtr&lt;lul::LUL&gt;)
+ProcessName(PSLockRef)
+SetProcessName(PSLockRef, const nsACString&amp;)
</panel_attributes>
<additional_attributes/>
</element>
<element>
<id>Relation</id>
<coordinates>
<x>20</x>
<y>1570</y>
<w>110</w>
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</coordinates>
<panel_attributes>lt=&lt;&lt;&lt;&lt;&lt;-
mCoreBuffer</panel_attributes>
<additional_attributes>10.0;10.0;10.0;570.0</additional_attributes>
</element>
<element>
<id>Relation</id>
<coordinates>
<x>160</x>
<y>840</y>
<w>150</w>
<h>210</h>
</coordinates>
<panel_attributes>lt=&lt;&lt;&lt;&lt;-
mRegisteredPages</panel_attributes>
<additional_attributes>10.0;190.0;10.0;10.0</additional_attributes>
</element>
<element>
<id>Relation</id>
<coordinates>
<x>250</x>
<y>840</y>
<w>240</w>
<h>210</h>
</coordinates>
<panel_attributes>lt=&lt;&lt;&lt;&lt;-
mRegisteredThreads</panel_attributes>
<additional_attributes>10.0;190.0;220.0;10.0</additional_attributes>
</element>
<element>
<id>UMLClass</id>
<coordinates>
<x>920</x>
<y>860</y>
<w>340</w>
<h>190</h>
</coordinates>
<panel_attributes>SamplerThread
--
-mSampler: Sampler
-mActivityGeneration: uint32_t
-mIntervalMicroseconds: int
-mThread /* OS-specific */
-mPostSamplingCallbackList: UniquePtr&lt;PostSamplingCallbackListItem&gt;
--
+Run()
+Stop(PSLockRef)
+AppendPostSamplingCallback(PSLockRef, PostSamplingCallback&amp;&amp;)</panel_attributes>
<additional_attributes/>
</element>
<element>
<id>UMLClass</id>
<coordinates>
<x>1060</x>
<y>600</y>
<w>340</w>
<h>190</h>
</coordinates>
<panel_attributes>Sampler
--
-mOldSigprofHandler: sigaction
-mMyPid: int
-mSamplerTid: int
+sSigHandlerCoordinator
--
+Disable(PSLockRef)
+SuspendAndSampleAndResumeThread(PSLockRef, const RegisteredThread&amp;, aNow: TimeStamp, const Func&amp;)
</panel_attributes>
<additional_attributes/>
</element>
<element>
<id>Relation</id>
<coordinates>
<x>1190</x>
<y>780</y>
<w>90</w>
<h>100</h>
</coordinates>
<panel_attributes>lt=&lt;&lt;&lt;&lt;&lt;-
mSampler</panel_attributes>
<additional_attributes>10.0;80.0;10.0;10.0</additional_attributes>
</element>
<element>
<id>UMLClass</id>
<coordinates>
<x>610</x>
<y>1130</y>
<w>470</w>
<h>400</h>
</coordinates>
<panel_attributes>ActivePS
--
/-sInstance: ActivePS*/
-mGeneration: const uint32_t
/-sNextGeneration: uint32_t/
-mCapacity: const PowerOfTwo
-mDuration: const Maybe&lt;double&gt;
-mInterval: const double /* milliseconds */
-mFeatures: const uint32_t
-mFilters: Vector&lt;std::string&gt;
-mActiveBrowsingContextID: uint64_t
-mProfileBufferChunkManager: ProfileBufferChunkManagerWithLocalLimit
-mProfileBuffer: ProfileBuffer
-mLiveProfiledThreads: Vector&lt;LiveProfiledThreadData&gt;
-mDeadProfiledThreads: Vector&lt;UniquePtr&lt;ProfiledThreadData&gt;&gt;
-mDeadProfiledPages: Vector&lt;RefPtr&lt;PageInformation&gt;&gt;
-mSamplerThread: SamplerThread* const
-mInterposeObserver: RefPtr&lt;ProfilerIOInterposeObserver&gt;
-mPaused: bool
-mWasPaused: bool /* linux */
-mBaseProfileThreads: UniquePtr&lt;char[]&gt;
-mGeckoIndexWhenBaseProfileAdded: ProfileBufferBlockIndex
-mExitProfiles: Vector&lt;ExitProfile&gt;
--
+</panel_attributes>
<additional_attributes/>
</element>
<element>
<id>Relation</id>
<coordinates>
<x>970</x>
<y>1040</y>
<w>140</w>
<h>110</h>
</coordinates>
<panel_attributes>lt=&lt;&lt;&lt;&lt;-
mSamplerThread</panel_attributes>
<additional_attributes>10.0;90.0;10.0;10.0</additional_attributes>
</element>
<element>
<id>UMLNote</id>
<coordinates>
<x>500</x>
<y>160</y>
<w>510</w>
<h>100</h>
</coordinates>
<panel_attributes>bg=red
This document pre-dates the generated image profilerclasses-20220913.png!
Unfortunately, the changes to make the image were lost.
This previous version may still be useful to start reconstructing the image,
if there is a need to update it.</panel_attributes>
<additional_attributes/>
</element>
</diagram>
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